English — Forum #723 (Page 538/642)

1. Regarding the standard SHT3010-2013 - HCBBS Forum
2. Cohydrocracking of ethane and propane - HCBBS Forum
3. What is the saturated vapor pressure of benzene at 37.8 degrees? Should a nitrogen seal be added? - HCBBS Forum
4. Polymer sector cluster - HCBBS Forum
5. What does it mean when the salt content in crude oil is higher after desalting than before? - HCBBS Forum
6. Centrifugal extractors utilize copper-plated iron melt-H2O2 to treat phenol-containing wastewater - HCBBS Forum
7. 【College Activities】010+Youth Without Regrets+MC0323 - HCBBS Forum
8. Determination of hydrophobicity - HCBBS Forum
9. Coal blending quality monitoring – manual disc rotation - HCBBS Forum
10. Problems with sulfur-containing wastewater filters in coking units - HCBBS Forum
11. Do all acid pipeline flanges need to be equipped with protective covers? - HCBBS Forum
12. Weekly topic: 5 Wealth points for correct answers, 2 Wealth points for participation； Question 167 - HCBBS Forum
13. What are the characteristics of environmental noise? How to control it? - HCBBS Forum
14. Incident Handling 41: How should tube failures in the reheater of a circulating fluidized bed boiler be handled? - HCBBS Forum
15. Water and n-butanol form an azeotrope; what happens if the temperature is lowered below 0 degrees? - HCBBS Forum
16. 【Daily Question】On September 25, what can be used to indicate the difficulty level of petroleum product distillation: the slurry extraction temperature ()? ? - HCBBS Forum
17. What qualifications must special operation personnel have? - HCBBS Forum
18. Diesel hydrogenation density issue - HCBBS Forum
19. The circuit breaker of the lighting system has tripped; help needed - HCBBS Forum
20. Distillation column adjustment - HCBBS Forum
21. Chloride content in deionized water - HCBBS Forum
22. Selection of measuring electrodes for electromagnetic flowmeters at different pH values - HCBBS Forum
23. Where can I find information on the heat of chemical reactions? - HCBBS Forum
24. September 11 Boiler Basics Question 2** Term Explanation: (A certain score will be given to the top 40) - HCBBS Forum
25. Regarding HG/T 21594～21604-2014 Stainless Steel Manholes and Handholes - HCBBS Forum
26. Vascania, whose crude oil is it? - HCBBS Forum
27. 【Daily Question】0912 Design of Tower Containers - HCBBS Forum
28. Selection of return air fans for boilers - HCBBS Forum
29. Computer Resources Version – Daily Question Summary Thread - HCBBS Forum
30. Current main types of catalysts in the chemical industry, reaction mechanisms, and applications - HCBBS Forum
31. Discussion on PSA exhaust gas treatment - HCBBS Forum
32. Sign-in record post from September 8, 2015 - HCBBS Forum
33. Pipeline gas flow rate issue - HCBBS Forum
34. 【Daily Question】Chemical Engineering Principles 171: Vapor Pressure (September 12) - HCBBS Forum
35. Ordos Coal Chemical Industry Exchange Meeting on September 10 - HCBBS Forum
36. China defeats Japan 3-1 at Women’s Volleyball World Cup, winning title for fourth time and securing spot at Rio Olympics - HCBBS Forum
37. Oxygen compressor selection - HCBBS Forum
38. Issues regarding manhole gaskets in atmospheric pressure storage tanks - HCBBS Forum
39. How to warm up a high-pressure reciprocating pump - HCBBS Forum
40. Why are the ammonia levels in the gas after the acid cleaning tower and the saturator different? - HCBBS Forum
41. Safety improvement requirements for ammonia tanks. - HCBBS Forum
42. Chemical Engineering in Daily Life – Question 67: In North China during the Spring and Autumn period, does the relative humidity increase or decrease on the day following moderate to heavy rainfall? - HCBBS Forum
43. What is the appropriate safety distance between the vent of a natural gas separator and the chimney of a gas generator? - HCBBS Forum
44. How to clean the pulverized coal that enters the annular chamber of a space furnace? - HCBBS Forum
45. What size cable cross-section should be used for ammeters - HCBBS Forum
46. What will the future of process design look like? - HCBBS Forum
47. Dry gas hydrogen production - HCBBS Forum
48. Coalbed methane extraction - HCBBS Forum
49. Issues regarding the slag from the gasification furnace - HCBBS Forum
50. What is the corrosion margin for copper pipes?? - HCBBS Forum
51. What is a good leader and what is a bad leader? Do you agree? - HCBBS Forum
52. What insights and experiences do you have regarding the placement of operation stations in various systems within the central control room of large-scale combined workshops? - HCBBS Forum
53. Accident Handling 40: What are the symptoms of tube failure in the reboiler of a circulating fluidized bed boiler? - HCBBS Forum
54. Can someone help me download an article? - HCBBS Forum
55. ***The meeting approved the overall plan for reforming the ecological civilization system - HCBBS Forum
56. When designing lugs, who is responsible for the local stress analysis of the tower shell at the lug location? - HCBBS Forum
57. Workplace Debate Episode 64: In management, should one be a good person or a bad person? - HCBBS Forum
58. On the corrosion prevention of well pump pipelines - HCBBS Forum
59. How to detect dust at the flue gas desulfurization outlet? - HCBBS Forum
60. Weekly topic: 5 wealth points for those who answer correctly, 2 wealth points for participation； Question 163 - HCBBS Forum
61. 【Daily Question】Question from Issue 20150905 - HCBBS Forum
62. Fan issues - HCBBS Forum
63. Polypropylene - HCBBS Forum
64. 【Daily Question】September 13 – Adjusting the outlet flow rate of a centrifugal pump - HCBBS Forum
65. What is the difference between pulse signals and frequency signals? - HCBBS Forum
66. Hydrogen pressure control valve - HCBBS Forum
67. Seeking advice on the issue of coke volatiles? - HCBBS Forum
68. What does it mean to use a heat exchanger intermittently? - HCBBS Forum
69. A joke about buses - HCBBS Forum
70. Go to Sinopec** - HCBBS Forum
71. 【Daily Question】Question from Issue 20150906 - HCBBS Forum
72. Relationship between pressure and entropy value - HCBBS Forum
73. What pump is suitable for this storage tank? - HCBBS Forum
74. Regarding pharmaceutical factory equipment - HCBBS Forum
75. The Haichuan Forum isn’t as lively as it used to be - HCBBS Forum
76. Is the SIL assessment of instruments applied to all instruments in all control loops, or only to those in the SIS and ESD systems? - HCBBS Forum
77. Manufacturers of preamplifiers - HCBBS Forum
78. CAESAR installation issues - HCBBS Forum
79. The inlet pressure is 30 mbar; what type of pump would be suitable? - HCBBS Forum
80. Looking for information on the production process and equipment for prussiate of ammonia. - HCBBS Forum
81. Who is the leader - HCBBS Forum
82. I’d like to ask about the functions of some ingredients! ! ! - HCBBS Forum
83. Self-protection operation status of the catalytic unit - HCBBS Forum
84. Which codes should be referred to for Class A warehouses within oil depots? - HCBBS Forum
85. 【Daily Question】Chemical Engineering Principles 159: Overall Heat Transfer Coefficient (September 1) - HCBBS Forum
86. What is the purpose of a water jacket in a gasification furnace? - HCBBS Forum
87. Does the check valve prevent backflow? - HCBBS Forum
88. The function of high-pressure air cooling with heating - HCBBS Forum
89. Regarding instrument cable specifications - HCBBS Forum
90. September 6: Boiler Foundation Questions 22 – Term Explanations: (A certain score will be given to the top 30) - HCBBS Forum
91. What should be the normal control level for SIO2 in gray water? - HCBBS Forum
92. Selling 10,000 sets of used air separation equipment - HCBBS Forum
93. I’m a bit lost when it comes to career planning - HCBBS Forum
94. Which expert has seen a formula like this for determining the Reynolds number limit? - HCBBS Forum
95. There’s also the trade of repairing umbrellas - HCBBS Forum
96. Who has the Quanzhou Petrochemical catalysis operation procedures? - HCBBS Forum
97. Regarding the renewal of pressure vessel design approvals - HCBBS Forum
98. Jacket flange weight - HCBBS Forum
99. When repairing or replacing the pressure-bearing components of a pressure vessel, the quality of the materials used should be ( ) that of the materials specified in the original design - HCBBS Forum
100. What is the difference between AVEVA E3D and PDMS? ? - HCBBS Forum